A brand-new young chapter book series from Edgar Award winner Dori Hillestad Butler! When ghost boy Kaz’s haunt is torn down and he is separated from his ghost family, he meets a real girl named Claire, who lives above the town library with her parents and her grandmother. Claire has a special ability to see ghosts when other humans cannot and she and Kaz quickly form a friendship. The two join forces to solve the mystery of the ghost that’s haunting the library. Could it be one of Kaz’s lost family members?

Here is the eighth title in Edgar Award Winner Dori Hillestad Butler's not-too-scary chapter book mystery series, The Haunted Library. Kaz are Claire are called on for another case! A family thinks their house is haunted, making it difficult for them to sell it. Will Kaz and Claire be able to figure out what's going on, and find more of Kaz's family members along the way?

A brand-new young chapter book series from Edgar Award winner Dori Hillestad Butler! After successfully solving the mystery of the ghost in the library, Kaz and Claire land the first case for their detective agency—a haunted attic in a neighbor’s home! With a little help from Grannie, Kaz and Claire discover that what appeared to be something spooky has a much simpler explanation.

Kaz and Claire are back for a timely mystery in this adorable series by Edgar Award winner Dori Hillestad Butler! Kaz and Claire are called in for another ghostly mystery, and this ghost is always right on time. When Claire's friend tells the young detectives about his five o'clock ghost, Kaz wonders if it could be his own missing brother, Little John. Kaz and Claire search the house up and down, but they can't find any trace of Little John--or any other ghost. Yet when five o'clock comes along, the strange occurrences come back again...

Edgar Award Winner Dori Hillestad Butler gives us the tenth—and final!—title in her not-too-scary chapter book mystery series, The Haunted Library, in the form of a super special! It's almost Halloween, and Kaz and Claire are off to Seattle to visit Claire's cousins. They explore the local library...and find a ghost living there! The ghost's family has been missing, so Kaz and Claire decide to investigate. When they discover ghostly activity in the city's subterranean passages, they put their detective skills to work. Kaz and Claire are on the case!

Librarian Carrie Singleton is building a haven, but one of her neighbors is misbehavin'. Can resident spirit Evelyn help Carrie catch the culprit who made her a ghost? In winter, the Haunted Library is a refuge for homeless townspeople. When a group purchases a vacant house to establish a daytime haven for the homeless, Carrie offers the library as a meeting place for the Haven House committee, but quickly learns that it may be used for illegal activities. As the new Sunshine Delegate, Carrie heads to the hospital to visit her cantankerous colleague, Dorothy, who had fallen outside the local supermarket. She tells Carrie that her husband tried to kill her--and that he murdered her Aunt Evelyn, the library's resident ghost, six years earlier. And then Dorothy is murdered--run off the road as soon as she returns to work. Evelyn implores Carrie to find her niece's killer, but that's no easy task: Dorothy had made a hobby of blackmailing her neighbors and colleagues. Carrie, Evelyn, and Smoky Joe the cat are on the case, but are the library cards stacked against them?

Librarian Carrie Singleton sleuths a murder at her best friend's wedding in Agatha Award nominee Allison Brook's fifth Haunted Library mystery. Clover Ridge librarian Carrie Singleton is thrilled to attend her best friend Angela's wedding, but Angela's family can be a bit...much. Angela’s wealthy cousin Donna hosts an extravagant bridal shower at her resplendent home, but the celebrations turn to gossip as the guests notice Donna's surgeon husband, Aiden, spending a bit too much time with Donna’s cousin Roxy. At the wedding reception, the sweet occasion turns darkly bitter when Aiden topples into the chocolate fountain--dead. The suspect list is as long as the guest list, and as difficult to sort out as the seating chart. A few of the top contenders on Carrie’s suspect list are the flirtatious Roxy, emotionally unstable since her recent divorce; Angela's grouchy brother, who feels Aiden betrayed him; and Roxy's scorned ex-husband. Even Donna may have had reason to want her husband dead. And Aiden's gossipy office manager has plenty to say about them all. Then another member of Angela's family is murdered, making Carrie more determined than ever to find the killer. Can library ghost Evelyn and library cat Smoky Joe help Carrie solve the murders before she becomes the next of Angela’s wedding guests to head to the grave?